How do I work with NumPy arrays in Python?
An example of an AI chatbot conversation about working with NumPy arrays in Python.
How do I create a NumPy array in Python?
You can create a NumPy array using the numpy.array() function. For example: import numpy as np; arr = np.array([1, 2, 3]).
What are some common operations I can perform on NumPy arrays?
Common operations include element-wise addition, multiplication, reshaping, and slicing. For example, arr + 1 adds 1 to each element.
How can I calculate the mean of a NumPy array?
You can use the numpy.mean() function. For example: mean_value = np.mean(arr) will give you the mean of the array.
Can I perform matrix multiplication with NumPy?
Yes, you can use the numpy.dot() function or the @ operator for matrix multiplication. For example: result = np.dot(A, B).
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